MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc2d384c872179980ee2ba70ecc913668270481c4cfb3faf817c28ae2106fda1. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Stop


Vendor detections: 14


Intelligence 14 IOCs 1 YARA 9 File information Comments

SHA256 hash: dc2d384c872179980ee2ba70ecc913668270481c4cfb3faf817c28ae2106fda1
SHA3-384 hash: 6ddb0481172d433ee6295774f5f5fcf8d1a8858f3f556b98698490e1af94a9c3f45dbc20cd38823b6668640d84420732
SHA1 hash: 5aa6bbaf2d682d3b401c198d6bf22eef4c166bec
MD5 hash: 6da210e556a738f9d1f6fb6366bed3b4
humanhash: seven-lamp-maine-ack
File name:6da210e556a738f9d1f6fb6366bed3b4.exe
Download: download sample
Signature Stop
File size:858'624 bytes
First seen:2022-09-27 07:51:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 221ffe762e54e3ad13848bfcbcdbf16a (10 x Smoke Loader, 7 x GCleaner, 3 x RedLineStealer)
ssdeep 24576:6jd548NPRPTkVNVFAyuhxPo5hO/8WimwjiE:6jdrp4VNHIro5hiSmQ
TLSH T17E05123832A9C832D4661E30C835CF91667FF83669605587AB502B1E6E733C19ABD34F
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 38b078cccacccc43 (123 x Smoke Loader, 83 x Stop, 63 x RedLineStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://116.202.2.236/

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://116.202.2.236/1375 https://threatfox.abuse.ch/ioc/851838/

Intelligence


File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Sending an HTTP GET request
Deleting a recently created file
DNS request
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
greyware packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Babuk, Djvu
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 710660 Sample: 4zU57TNp2V.exe Startdate: 27/09/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 5 other signatures 2->60 8 4zU57TNp2V.exe 2->8         started        11 4zU57TNp2V.exe 2->11         started        13 4zU57TNp2V.exe 2->13         started        15 4zU57TNp2V.exe 2->15         started        process3 signatures4 64 Multi AV Scanner detection for dropped file 8->64 66 Machine Learning detection for dropped file 8->66 68 Injects a PE file into a foreign processes 8->68 17 4zU57TNp2V.exe 1 19 8->17         started        22 4zU57TNp2V.exe 1 17 11->22         started        24 4zU57TNp2V.exe 13 13->24         started        26 4zU57TNp2V.exe 13 15->26         started        process5 dnsIp6 48 winnlinne.com 222.236.49.123, 49703, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 17->48 36 C:\Users\user\Desktop\SNIPGPPREP.png, data 17->36 dropped 38 C:\Users\user\Desktop38YMMPCEIMA.docx, data 17->38 dropped 40 C:\Users\user\Desktop\HMPPSXQPQV.png, data 17->40 dropped 46 3 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 162.0.217.254, 443, 49698, 49699 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\4zU57TNp2V.exe, PE32 22->42 dropped 44 C:\Users\...\4zU57TNp2V.exe:Zone.Identifier, ASCII 22->44 dropped 28 4zU57TNp2V.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 70 Injects a PE file into a foreign processes 28->70 33 4zU57TNp2V.exe 13 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-09-27 07:52:10 UTC
File Type:
PE (Exe)
Extracted files:
67
AV detection:
20 of 41 (48.78%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://winnlinne.com/test1/get.php
https://t.me/trampapanam
https://nerdculture.de/@yoxhyp
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:RansomwareTest4
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stop

Executable exe dc2d384c872179980ee2ba70ecc913668270481c4cfb3faf817c28ae2106fda1

(this sample)

  
Delivery method
Distributed via web download

Comments